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  • 03월 02일 17시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제117회 대한화학회 학술발표회, 총회 및 기기전시회 안내 3-dimensional molecular crystal structures in crosslinked polymers

등록일
2016년 2월 18일 10시 49분 53초
접수번호
1189
발표코드
POLY.O-3 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
목 09시 : 30분
발표형식
구두발표
발표분야
고분자화학 - 젊은 고분자 화학자 구두발표 (Oral Presentation for Young Polymer Scientists)
저자 및
공동저자
이홍준, 이한뉘, 김원빈, 이재석1,*
광주과학기술원(GIST) 신소재공학부, Korea
1광주과학기술원(GIST) 신소재공학과, Korea
3-dimensional molecular level ordering of polymers is challenging objective to maximize their performance and efficiency in current research of polymer science. However, the precise arrangement of polymers at molecular-scale is most demanding due to the entropically favorable chain entanglement. Furthermore, especially for the polymeric materials, the industry requires the design and fabrication of crystalline polymers with molecular-level precision at a reasonable cost. To meet these challenges, we have generated 3-dimensional molecular level ordered polymers using a cost effective and simple chemical crosslinking. The controlled crosslinking reaction at molecular-scale effect on the crystallinity of polymers, leading to the sub-nanometer level ordered structures. This simultaneous arrangement resulted in 3-dimensional molecular crystal structures in polymers with a primary metallic crystalline structure such as hexagonal close-packed and face-centered cubic structure. The morphologies were studied with a high voltage electron microscope, and coupled with X-ray diffraction. In addition, the optical analysis was performed by Raman, FT-IR and UV-Vis-NIR spectrophotometer. Moreover, the electrical conductivity of crystalline polymers were analyzed by optical reflectance and I-V characteristics.

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